First of all congratulations for the excellent library! I searched a lot for WPF good charting libraries and I have finally found one!

I'm having an issue trying to plot the BarSeries example. The following exception is thrown: "The y-axis should be a CategoryAxis."

I don't know if I have got it right, but isn't the X axis supposed to be a Category axis? The y-axis would be a linear axis showing the values of each bar for each label, am I right?

Thanks for any help!

Bruno

EDIT: ok, when I run the project BarSeriesDemo it works... I don't understand why we have to set DataContext = this in that example (as it won't work without that line). Could I plot a bar graph the same way I plot a Line graph, i.e., something like this: